diff --git a/src/index-core.js b/src/index-core.js
index 0dafae04..37d75529 100644
--- a/src/index-core.js
+++ b/src/index-core.js
@@ -6,7 +6,7 @@ if (typeof module !== 'undefined') {
 }
 if (typeof window !== 'undefined') {
 	window.GPUCore = GPUCore;
-	if(window.GPU == null) {
+	if(window.GPU === null) {
 		window.GPU = GPUCore;
 	}
 }
\ No newline at end of file